20071387

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2113}}^1$

素因数の和:2202

約数の個数: 16

約数和(自身を含む): 24353280

約数和(自身を除く): 4281893

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2113, 9499, 14791, 48599, 124667, 340193, 872669, 2867341, 20071387]

約数ペア:

[(1, 20071387), (7, 2867341), (23, 872669), (59, 340193), (161, 124667), (413, 48599), (1357, 14791), (2113, 9499)]